1. Software Development

Instant on-demand atomic CSS engine for customizable, fast, and efficient frontend styling.

Provides reusable middleware patterns for Express.js, including authentication, logging, error handling, and custom middleware implementation.

Generates conventional Git commit messages with English subjects (<=72 chars) and Korean bodies, triggered by Korean commit requests.

Skill for developing reactive web applications using SolidJS, including component creation, state management, routing, and full-stack capabilities with SolidStart.

Provides internationalization (i18n) system for CharHub React frontend, enabling translation management and component integration.

Generates stable, cache-friendly API responses using Laravel's resource classes with pagination and conditional field handling.

Provides API integration for customer onboarding, phone number provisioning, and connection detection in multi-tenant WhatsApp applications.

Configures and writes end-to-end tests for TypeScript/NestJS using Jest, Docker, and GWT pattern with real infrastructure setup.

Provides TypeScript-based Express framework patterns for implementing backend servers, middleware, and route handlers in CharHub.

Automates the setup of a new project with standard Claude Code structure, including essential documentation and configuration files.

Provides reusable frontend patterns for React and Next.js, covering state management, performance optimization, and UI best practices.

Provides a minimal library for creating beautiful terminal user interfaces in Python using rich and tqdm, suitable for dashboards, progress bars, and log-friendly CLIs.

Provides Prisma ORM patterns and best practices for database operations, migrations, and client usage in NestJS services.

Enables REST API endpoint creation, authentication configuration, and OpenAPI documentation via Scalar for Sorcha services.

Guides on Effect's runtime system, including execution of effects, configuration, context management, and runtime APIs for functional programming applications.

Provides standardized Express.js route patterns and conventions for API route definition, organization, and handler setup in CharHub projects.

Assists with JavaScript and TypeScript development, including React, Node.js, and Next.js frameworks, and modern JavaScript patterns.

Generates complete NestJS CRUD modules with TypeORM entities, controllers, services, and DTOs for new domain objects or relationships.

Assists in writing and managing unit, feature, component, and E2E tests across multiple languages and frameworks using TDD methodology.

Reviews code patterns against documented rules, anti-patterns, and gotchas, providing a categorized PASS/FAIL checklist for each rule.

Runs linters (ruff, mypy), tests (pytest), and optionally simplifies code for improved maintainability.

Provides React component patterns, hooks conventions, and TypeScript integration guidelines for CharHub frontend development.

Assesses complex feature architecture and generates Architecture Decision Records to guide implementation planning.

Analyzes feature specifications and generates implementation action plans for new features, aiding in requirement understanding and technical planning.